hich metal is the best conductor of electricity? Choose from the choices below: Gold Aluminum Copper Mercury

Q: There are many minerals which contain silver. A 2.22 g sample of one of these, matildite, is placed…

A: The reaction between silve and magnesium chloride for analysis of Ag in matildite . 2 Ag + MgCl2 → 2…

Q: A 25.1 g25.1 g sample of magnesium reacts with excess silver nitrate to produce silver metal and…

A: Mass of magnesium = 25.1 gTotal mass of solid metal after reaction = 61.3 g Molar mass of magnesium,…

Q: A college chemistry student is performing this reaction in a lab, where magnesium is burned and…

A: When a reaction occurs,  reaction occurs in stoichiometry amounts.  Product is formed with respect…

Q: Platinum is a precious metal that is used as a catalyst for many important industrial reactions.…

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Q: a student reacted 14.6 kg of aluminium metal with excess platinum(IV) bromide solution. After the…

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Q: What is the better known name for the deadly poison Prussia acid ?

A: Acid can be defined as a species that can give H+ ipns in aqueous solution. Aqueous solution means…

Q: 2. The approximate radius of a nucleus, r, is given by the formula r = A$(1.3x10-13cm), where A is…

A: Given: Atomic radius of Al = 143 pm Radius of nucleus=A13(1.3×10-13) cm

Q: A chemist prepares a solution of iron (II) chloride (FeCl₂) by measuring out 33. mg of FeCl₂ into a…

A: According to the question, The mass of the FeCl2 = 33 mg The volume of the solution = 50 mL   Find:…

Q: Write a balanced redox reaction for the following electrochemical cell: Pt | Cu* (aq); Cu²+ (aq) ||…

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Q: magnesium + oxygen → magnesium oxide List two physical / chemical properties for each compound

A: Physical properties are properties of substance that can be determined without changing substance's…

Q: We have 40.5 cm of a material. How many g is it? The material has density of 9.50 g/cm O 68.0 g O…

A: • The values provided in the question are:-  i) Density of a material, d = 9.50 g/cm3  ii) Volume…

Q: If you have 10 pieces of bread, 20 slices of ham, and 4 slices of cheese, how many sandwiches can…

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Q: We have 425 cm3 of a material. How many g is it? The material has density of 0.345 g/cm O 68.0 g O…

A: We have to find mass ,volume and density  is given in the question  Volume of the material = 425 cm3…

Q: The density of gold metal is 19.3 g/cm3, while that for silver is 10.5 g/cm3. Suppose you had the…

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Q: Zinc (Zn) Zn Copper (Cu) Cu 9.59 g mass The ammeter completed the run time for this experiment.…

A: A question based on mole concept that is to be accomplished.

Q: Aspartame, C₁4H18N2O5, is a solid used as an artificial sweetener. Write the balanced equation for…

A: •Here given compound is"Aspartame". •Formula of Aspartame is C14H18N2O5. •We are writing here…

Q: The density of liquid ethanol C2H5OH is 0.789 g/mL. If 505 grams of glucose decomposes, how many…

A: The decomposition reaction of glucose can be expressed as,                 C6H12O6 (s) -----> 2…

Q: Magnesium nitride is used in the preparation of certain ceramic materials and the manufacture of…

A: 3 Mg (s) + N2 (g) → Mg3 N2 (s) mass of Mg = 12.7 g Actual Mass of Mg3N2 produced = 8.54 g

Q: Butane (C4H10) plus Oxygen yields carbon dioxide plus water

A: Given compound is butane. Butane reacts with oxygen to form carbon dioxide, water and liberate large…

Q: FeSO4   +   Potassium phosphate  à  Iron (II) phosphate  +  K2SO4 Identify the spectator ions

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Q: Cs(s) + FeS(aq)

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Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Hi, as you have posted 2 questions and have not mentioned which one you want us to solve for you.…

Q: Which of the following elements is a good conductor of heat and electricity? neon chlorine carbon…

A: Substance having free electrons undergo movement, By movement they conduct electricity.  These free…

Q: You are given a hammer a battery, a bulb, wires and switch(a) How could you use them to distinguish…

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Q: Jennifer was a pre-pharmacy student and enrolled in general chemistry laboratory. One day the lab…

A: Here we are required to find the unknown hydrated salt .

Q: balanced chemical equation in

A: We know the definition of the single displacement, double displacement reaction, decomposition,…

Q: (a) copper(II) nitrate (b) sulfur (c) honey (d) drinking water OUCOTIOU TI

A: Step 1) a) copper(II) nitrate : Cu(NO3)2 It is also known as cupric nitrate formula or copper…

Q: 5. What are the properties of water that make it important for life? The substances that we are…

A: Water has many properties that makes it important part of life like universal solvent, high heat…

Q: Draw a molecular picture that illustrates the following reaction. Molecular hydrogen and carbon…

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Q: Platinum is a precious metal that is used as a catalyst for many important industrial reactions.…

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Q: themist prepares a solution of potassium chloride (KCl) by measuring out 43. mg of KCl into a 50. mL…

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Q: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and…

A: Given reaction: C7H6O3+C4H6O3⟶C9H8O4+C2H4O2 We have to find the yield of aspirin when 2.10 g of…

Q: Coal is a leading source of energy for the world. While coal is primarily composed of carbon and…

A: Given:S(s)+O2(g)→SO2(g)

Q: The following equation represents the reaction between aluminum (Al) and bromine (Br2) to produce…

A: Aluminium reacts with bromine to form aluminium bromide. The equation for the balanced chemical…

Q: If you did not know the identity of the metal in your jar, what experiment might you have done to…

A: To set up an experiment that can help in identifying the metal is pure zinc element.

Q: What would be the mass, in grams, of a sphere of titanium which is 24.68 mm in diameter? V =…

A: Given : Sphere of titanium with diameter = 24.68 mm = 2.468 cm…

Q: Select the property that is a characteristic of the group 14 (4A) element carbon. O it forms…

A: Group 14 consists of the following elements: Carbon, C Silicon, Si Germanium, Ge Tin, Sn Lead, Pb

Q: produced

A: The chemical reaction for manufacturing of Methanol is given as; Co + 2H2  --->  CH3OH Mass of CO…

Q: Nitrogen dioxide gas is produced by the reaction of oxygen gas and nitrogen monoxide gas. Write a…

A: Nitrogen dioxide gas is obtained by the reaction of oxygen gas and nitrogen monoxide gas.  NO=…

Q: Fill in the Blanks Chemical Price/kg (in dollars) NaOH 21.17 CaCl2 41.28 КОН 31.38 CuSO4 93.32…

A: Solution is provided in the image below.

Q: Calcium metal can be obtained by the direct electrolysis of molten Cacl2 , at a voltage of 3.2…

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Q: The noble gas argon was discovered by Sir Walter Ramsay and John William Strutt in England in 1895.…

A: Accurate measurements of gas densities was achieved by the discovery of argon (noble gas) by Sir…

Q: Lithium metal has an atomic radius of 152 pm. The molar mass of lithium is 6.94 g/mol and Avogadro`s…

A: Atomic radius = 152 pm = 152 × 10-10 cm  Avadagro constant = 6.022 × 1023  per mol  Molar mass of…